The government will resume Brexit talks with the Labour Party as MPs return to Westminster following the Easter break.
Cabinet ministers, including the PM's de facto deputy, David Lidington, will meet senior opposition figures in an attempt to solve the Brexit impasse.
But the resumption of talks has provoked anger among a number of Tory MPs, with senior backbenchers meeting later to discuss their next move.
Meanwhile, Prime Minister Theresa May will chair a cabinet meeting.
Tory MP Nigel Evans, a Brexiteer and critic of Mrs May, told the BBC the government's handling of Brexit had been "frustrating" and that "fresh leadership" was needed.
Senior members of the Conservative backbench 1922 committee, which Mr Evans is a member of, will meet late this afternoon.
He said: "She's reaching out to the Labour Party and Jeremy Corbyn, when she should have been reaching out to the people."
More than 70 local association chiefs have called for an extraordinary general meeting to discuss her leadership and a non-binding vote is to be held at the National Conservative Convention EGM.
Under party rules, MPs cannot call another no-confidence vote until December 2019.
However, if the grass-roots vote showed a lack of confidence - it could put pressure on the 1922 Committee of Tory MPs to find a way of forcibly removing the PM from office.
In separate news, Change UK will launch its European election campaign in Bristol, while Nigel Farage's Brexit Party will unveil its candidates in London.
"It's all about the sunny weather we've been seeing, so energy demand is low. There has been lots of lovely solar power off the panels too."
He said the UK generated a quarter of its energy from solar over the Easter weekend, with similar portions from nuclear and gas. The rest was imported from Europe.
In April, 2017 Britain went its first full day without coal since the 19th century.
And coal made up less than 10% of the country's energy mix last year and will be less than that again in 2019, according to National Grid.
However, experts have warned that power generated by coal is largely being replaced by gas, another fossil fuel, rather than renewable sources.
They also said a reliance on gas made the UK vulnerable to the whims of international markets, and was not clean enough to meet the UK's legal targets to cut greenhouse gas emissions.
The 2008 Climate Change Act requires greenhouse gas emissions to be reduced by 80% compared with 1990 levels by 2050.
Muna Suleiman, climate campaigner at Friends of the Earth, said: "89 hours of coal-free electricity is great but let's make this all day every day.
"Electricity generated by renewable sources is a key part of the fight against climate chaos so it's time to remove all the blockers to renewable energy.
"The government must prioritise the development of sources such as solar and onshore wind."
The National Trust has said it is “devastated” after more than 700 acres of moorland, home to an endangered species of bird, were destroyed in a fire started by ...
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https://www.theguardian.com/uk-news/2019/apr/22/huge-area-of-yorkshire-moorland-destroyed-by-fire-barbecue
The sun rises on Cobb harbour in Lyme Regis, Dorset, at the start of a record-breaking Easter SundayCelia McMahon/Alamy
Temperatures are expected to exceed the record for an Easter Monday as hundreds of thousands of people head to the beach, but thunderstorms are expected later in the week.
The Met Office predict highs of 26C degrees, beating the record of 24 degrees set in Hampshire in 2011. Yesterday parts of the country reached 26C, compared with 16C in Spain and heavy rain elsewhere in southern Europe. Lisbon in Portugal is expected to be 20C and breezy tomorrow and Corfu will be a little chillier but calm.
The combination of high UV rays and little cloud cover poses a big risk of sunburn. The pollen count will also be high, increasing the risk for people with hayfever.
Crowds fill West Wittering beach in West SussexJames Jagger/Stockimo/Alamy
Five British citizens have been killed in explosions at hotels and churches in Sri Lanka on Easter Sunday.
Police say at least 207 people have been killed and 450 injured in eight blasts, six of which were in Colombo.
Three Britons and two with joint US and UK citizenship were among the dead, Sri Lanka's foreign ministry said.
The UK Foreign Office confirmed British nationals were among those killed but has not confirmed the number of victims.
A spokesman said: "Our staff are supporting the relatives of the victims and are continuing to work with the relevant authorities to obtain further information."
Officials in Sri Lanka say there have been at least 27 foreign casualties.
Danish, Turkish and Dutch citizens are also among those known to have died.
The UK's High Commissioner to Sri Lanka, James Dauris, said he had spoken with Britons in hospital "who have been affected by today's senseless attacks".
Mr Dauris urged those still in the country to contact relatives and to follow instructions from local authorities.
In the capital Colombo, St Anthony's Shrine and the Cinnamon Grand, Shangri-La and Kingsbury hotels were targeted.
There were also explosions at a hotel near Dehiwala zoo and in the residential district of Dematagoda.
Further blasts took place in St Sebastian's Church in Negombo, a town approximately 20 miles north of Colombo, and at Zion Church in Batticaloa, on the east coast.
Kieran Arasaratnam, a professor at Imperial College London, was on his way to the breakfast room in the Shangri-La hotel when he heard the blast.
He told the BBC he saw a young child, aged about eight or nine, being carried to an ambulance, and all around him, "everyone's just running in panic".
"The military was coming in. It's just total chaos. So I then just literally ran out and then I looked to the room on the right and there's blood everywhere."
'Lucky to be alive'
Tourist Marisa Keller, from London, was also staying at the Shangri-La but wasn't in the hotel when it was attacked. She said she felt "lucky to be alive".
"My cousin called to say a hotel had been bombed," she said. "We saw the ambulances at the Cinnamon Grand and said 'you're right'.
"Then we got back to the Shangri-La and saw everybody outside. The staff were trying to make sure who was safe and who was not.
"There were lots of bodies, blood, ambulances, police. Swat teams were sent in.
"One side of the hotel was blocked off. They were letting people back in because of the hot sun."
Julian Emmanuel and his family, from Surrey, were staying at the Cinnamon Grand when they were woken up by the explosion.
"There were ambulances, fire crews, police sirens," he told the BBC.
"I came out of the room to see what's happening, we were ushered downstairs.
"We were told there had been a bomb. Staff said some people were killed. One member of staff told me it was a suicide bomber."
Retired doctor Simon Whitmarsh, from Wales, is on holiday in Sri Lanka.
The 55-year-old was cycling near the city of Batticaloa when he heard a "big bang".
As a former consultant paediatrician, Mr Whitmarsh volunteered at the local hospital - but was told the situation was in hand.
"By that stage, they had activated emergency protocols," he said. "The hospital was heavily guarded by the army, who were stopping most people going in."
Eight people have been arrested in connection with the attacks, but it not yet clear who is responsible.
Sri Lanka's High Commissioner to the UK, Manisha Gunasekera, said the "magnitude and precision" of the attacks was "unprecedented".
She added that authorities were "doing everything that they can to bring the perpetrators to justice".
The Sri Lankan government said there would be a temporary block on the use of major social media networks and a nationwide curfew had been imposed "until further notice".
Local media report that security has been stepped up at the country's main Bandaranaike International Airport.
Sri Lankan Airlines says passengers can travel to the airport by showing flight tickets and passports at check points.
The Archbishop of Canterbury, Justin Welby, has condemned the attacks as "utterly despicable destruction" during his Easter address at Canterbury Cathedral.
Prime Minister Theresa May said the killings were "truly appalling" and "no-one should ever have to practise their faith in fear."
Foreign Secretary Jeremy Hunt said he was "deeply shocked and saddened" by the "horrifying attacks".
He added: "To target those gathered for worship on Easter Sunday is particularly wicked."
Labour leader Jeremy Corbyn said: "I stand with the victims, their families, the people of Sri Lanka and Christians around the world. We must defeat this hatred with unity, love and respect."
The Foreign Office has directed British citizens to two helplines:
Those in Sri Lanka and can call the Embassy in Colombo: +94 11 5390639
Those in the UK who are concerned for British friends or family in Sri Lanka can call: 020 7008 1500
Are you in Sri Lanka? Have you been affected by the attacks? Only if it is safe to do so, please contact haveyoursay@bbc.co.uk
Please include a contact number if you are willing to speak to a BBC journalist. You can also contact us in the following ways:
Five British citizens have been killed in explosions at hotels and churches in Sri Lanka on Easter Sunday.
Police say at least 207 people have been killed and 450 injured in eight blasts, six of which were in Colombo.
Three Britons and two others with joint US and UK citizenship among the dead, Sri Lanka's foreign ministry said.
The Foreign Office has not confirmed the figure and said it was working with the Sri Lankan authorities to establish the number of citizens who had died.
Officials in Sri Lanka say there have been at least 27 foreign casualties.
Danish, Turkish and Dutch citizens are also among those known to have died.
The UK's High Commissioner to Sri Lanka, James Dauris, said he had spoken with Britons in hospital "who have been affected by today's senseless attacks".
Mr Dauris urged those still in the country to contact relatives and to follow instructions from local authorities.
In the capital Colombo, St Anthony's Shrine and the Cinnamon Grand, Shangri-La and Kingsbury hotels were targeted.
There were also explosions at a hotel near Dehiwala zoo and in the residential district of Dematagoda.
Further blasts took place in St Sebastian's Church in Negombo, a town approximately 20 miles north of Colombo, and at Zion Church in Batticaloa, on the east coast.
Kieran Arasaratnam, a professor at Imperial College London, was on his way to the breakfast room in the Shangri-La hotel when he heard the blast.
He told the BBC he saw a young child, aged about eight or nine, being carried to an ambulance, and all around him, "everyone's just running in panic".
"The military was coming in. It's just total chaos. So I then just literally ran out and then I looked to the room on the right and there's blood everywhere."
'Lucky to be alive'
Tourist Marisa Keller, from London, was also staying at the Shangri-La but wasn't in the hotel when it was attacked. She said she felt "lucky to be alive".
"My cousin called to say a hotel had been bombed," she said. "We saw the ambulances at the Cinnamon Grand and said 'you're right'.
"Then we got back to the Shangri-La and saw everybody outside. The staff were trying to make sure who was safe and who was not.
"There were lots of bodies, blood, ambulances, police. Swat teams were sent in.
"One side of the hotel was blocked off. They were letting people back in because of the hot sun."
Julian Emmanuel and his family, from Surrey, were staying at the Cinnamon Grand when they were woken up by the explosion.
"There were ambulances, fire crews, police sirens," he told the BBC.
"I came out of the room to see what's happening, we were ushered downstairs.
"We were told there had been a bomb. Staff said some people were killed. One member of staff told me it was a suicide bomber."
Retired doctor Simon Whitmarsh, from Wales, is on holiday in Sri Lanka.
The 55-year-old was cycling near the city of Batticaloa when he heard a "big bang".
As a former consultant paediatrician, Mr Whitmarsh volunteered at the local hospital - but was told the situation was in hand.
"By that stage, they had activated emergency protocols," he said. "The hospital was heavily guarded by the army, who were stopping most people going in."
Reports say seven people have been arrested in connection to the attacks, but it not yet clear who is responsible.
Sri Lanka's High Commissioner to the UK, Manisha Gunasekera, said the "magnitude and precision" of the attacks was "unprecedented".
She added that authorities were "doing everything that they can to bring the perpetrators to justice".
The Sri Lankan government said there would be a temporary block on the use of major social media networks and a curfew imposed from 18:00 to 06:00 local time (12:30-00:30 GMT).
Local media report that security has been stepped up at the country's main Bandaranaike International Airport.
Sri Lankan Airlines says passengers can travel to the airport by showing flight tickets and passports at check points.
The Archbishop of Canterbury, Justin Welby, has condemned the attacks as "utterly despicable destruction" during his Easter address at Canterbury Cathedral.
Prime Minister Theresa May said the killings were "truly appalling" and "no-one should ever have to practise their faith in fear."
Foreign Secretary Jeremy Hunt said he was "deeply shocked and saddened" by the "horrifying attacks".
He added: "To target those gathered for worship on Easter Sunday is particularly wicked."
Labour leader Jeremy Corbyn said: "I stand with the victims, their families, the people of Sri Lanka and Christians around the world. We must defeat this hatred with unity, love and respect."
The Foreign Office has directed British citizens to two helplines:
Those in Sri Lanka and can call the Embassy in Colombo: +94 11 5390639
Those in the UK who are concerned for British friends or family in Sri Lanka can call: 020 7008 1500
Are you in Sri Lanka? Have you been affected by the attacks? Only if it is safe to do so, please contact haveyoursay@bbc.co.uk
Please include a contact number if you are willing to speak to a BBC journalist. You can also contact us in the following ways:
